Improvement in lathing-machines



nuera sate parte one.

GEORGE N. GREAMER, OE TRENTON, NEW JERSEY.

Letters Patent No. 109,391, dated' November 22,1870.

IMPROVEMENT IN LATHiNG-MACHINVES.

The Schedule referred to in these Illettersv Patentand making part of the same.

To all 'whom it may concern: V

Be it known that I, GEORGE N. Cananea, et Trenton, in the county ot' Merce;` and State of New Jersey, have invented certain'ncw and useful Improvements in Lathing-Maehincs, of' which the following is a specification, reference being had to the accompanying drawing, in which--` Figure l is a view, in perspective, of a lathing-machine en'ibodying my improvements;

Figure 2, a longitudinal section through the same, at the line a; .t ot' tig. 1 and Figure 3, a transverse section through the same, at the line g/ y of iig. 2.

It is the object of my invention to provide simple and convenient means ot'` clamping a series of laths in a frame, in which they are held while being` nailed to the joists or studding oi'a building, as well as to afford improved means ot afiixing the frame thereto; and

My invention consists in certain improvements in the construction and application of the lathing-machine for which Letters latent of the United States were heretofore granted to'me, nnmllered95,435, and bearing date October 5, 1869.k

The first part of' my invention relates to the means for holding the laths in place iu the frame; and V Myimprovement consists in combining with a frame, the members of which are stationary with respect to each other, a series ot clampinglteeth, between which the laths are placed, a series of springs, by which the la-ths are clamped when in position, and devices by which the clamping-springs are. released when the frame is to he relitted.

The second part of my invention relates lo the means for clamping the frame to and det-achingT it from thcstudding` or joists; and

My improvement consists in the combination, with the frame, ot' hook-levers, handles, and spring-pawls and ratchets, operating so as to attach the machine to or remove it from the joists, andbeng adaptable to the same whether set at equal or different distancesapart.

In the accompanying drawing a frame is shown,

Acomposed of side pieces A A 13 l', arranged in pairs,

and united, at their respective ends, by castings (l, to cross-pieces U U'.

In contradistinetion l'rom my patented machine hereinhefore mentioned, in which l employed a stationary and a movable frame, the entire frame, in this instance, is stationary, and corresponding lightness and simplicity ot' construction are thereby atfordml.

'With the exception ol the end pieces (i (l', no erossbars are required.

The sido pieces A Y B B' are` parallel'with each other, and the members ot each pair are set at such distance apart as to provide spaces, in which arc secured rods 1) 1)', respectively, on each side of the machine, (see figs. 2 and 3.)

A series of clamping-teeth, E, formed in a piece with thimbles e, is mounted so as to slide freely upon the rods 1) D'. p

Spiral springs E encircle the rods between the thimbles, and bear against shoulders therein, by which means the spaces between the teeth may bc adjusted to suit the width of the laths used.

Clamping-teeth, one on each side of the frame, and

Vat or near the eenterthereot', are connected to or formed ina piece with bearing-pieces 'F F', tojwhich bearingpieces hook-levers Gr G', provided with handles H H', are pivoted, for a purpose presently to be described.

The bearing-pieces lf" F are connected by a swiveling link, ,/I

Spring-penis y g' upon the hook-levers engage in ratchets j" f2 upon the bearing-pieces, to hold the handles apart` when moved away from each other.

A. tension-spring, 1, is connected, at one end, to the bearing-piece h, and at the other end to a pin, holt, or staple, which is secured to the side pieces A A', near the cross-piece C; and another.tension-spring,1', connects the bearing-piece F with an eye formed upon prolongatiouot the claniping-tooth ou that side vol' the frame nearest its lower end.

Springs 1213 are similarly connected to the opposite bearing-piece 1f".

Dogs c' are formed, respectively, upon the lowest clamping-tooth on each side of the frame, which, when engaged in slotsj, formed in tripping-levers J J', piv. oted to the side pieces A A' B B', near their lower ends, extend the tension-springs 11'121, and thereby relieve the clan'iping-teeth from the tension thereof.

Uy pressing upon tlunnh-piecesj' on the trippinglevers J J', the dogs c'are released therefrom, and the tension ot' the springs 1 1l 12 1 draws and holds the clamping-teeth closely together, so as to hold the laths, which is done, whether the laths are of equal or different widths, by reason of the adjustment afforded by the springs E'. p

.lu using the machine, the tension-springs are iirst extended by engaging the dogs c' with the trippinglevers .T J The clamping-teeth are then loose longitudinally upon the rods D D', and free to move a sufi iicient distance thereon to allow of the insertion 0l' the laths K between them, their range ot' motion depending, as hel'ore stated, upon the previous adjustn,ment ot the springs 1*". l1`he spaces between the teeth being filled with laths, the dogs c'are then released by pressing upon the thumb-pieces j', when the tension ot' the springs 1 I1 12 13 holds the clamping-teeth E and laths 1i, firmly together. The frame is then applied to the joists or studding, andthe hook-levers (i (fare insertedinto-t-h'e outside of two adjacent joists by means of the handles H H'and heldin position thereon by the spring-pawls g y and ratchets fl f2. The 12mths are -then nailed to the joists. The ciampingteeth may then 'be loosened by engaging,r the dogs in the tripping-levers, the hook-levers are released from the' joists, and the machine removed,'to be rci'illed for a'notlher operation. l

I do not broadly claim sliding teeth held in a clamping-frame irrespective of the combination and construction.

yI claimA as my invention-' l. The combination ofthe slotted tinmepieces, therod inclosed in sztid frame-pieces, the clamping-teeth movable freely endwise on said rod, the springs intcr' posed between said clamping-teeth, and the tensionsprihgs which press the clamping-teeth together to' hold the laths, all-these parts beingvconstrncted to opcrate. in combination, substantially as hereinbefore set forth.

2. The combination of the'i'ame, the clamping? teeth, the springs interposed between the clampingteeth, thctension-springs, and the tripping-lmv'crs pivotcd on the frame and engaging one of 'the clamping' teeth, all these part-s being` constructed to operate in combination, substantially as hereinbefore set forth.

3. The combination ot' the slotted frame, the rod, the clan'iping-'t-eeth constructed with projecting thimblcs, and springs interposed between the clampingholding-pawls, and ratchets, all these parts being constructed to operate in combination, as set fort-h.`

G. N. GREAMER.

Witnesses:

S. LINDSLY, (l. C. BUn-Routine.

teeth and inclosed within the thi'mbles, thel shoulders ing-tceth, the tension-springs, the hooks, lovers, their. 

